Montero V6-3.8L SOHC (2005)
Operate scan tool MB991958 according to the procedure below to display "PULSE CHECK."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "PULSE CHECK."
Check if scan tool MB991958 sounds or not.
Q: When the key reminder switch, each door switch and the interior light are operated, does scan tool MB991958 sound in each case?
Buzzer of scan tool MB991958 sounds normally : Go to Step 5.
Scan tool MB991958 does not sound when the key reminder switch is operated : Refer to Inspection Procedure P-1 "ETACS-ECU does not
receive a signal from the key reminder switch."
Scan tool MB991958 does not sound whenever each door switch is operated : Refer to Inspection Procedure P-4 "ETACS-ECU does not receive a
signal from all the door switches."
STEP 5. Determine a trouble spot.
Q: Which light does not illuminate?
All lights does not illuminate : Go to Step 6.
The dome light and rear personal lights does not illuminate : Go to Step 9.
The cargo space light and rear personal lights does not illuminate. : Go to Step 10.
Both rear personal light does not illuminate. : Go to Step 11.
The dome light does not illuminate. : Go to Step 12.
The cargo space light does not illuminate : Go to Step 19.
The rear personal light (LH) does not illuminate. : Go to Step 26.
The rear personal light (RH) does not illuminate. : Go to Step 34.
